Toshiba w425 Service Manual page 36

A B
FROM/TO POWER
POWER_FAIL
8 LED_VCC
POWER_ON-H
AT+5V[M-CON]
P.CON+5V
AT+5.2V
AT+12.6_V
(S/S)
GND
(MOTOR)
GND
(LED)
GND
7
C1001
16V 220 YK
FROM/TO DECK
6
L1002_1
CP1001
TMC-J12P-B2
22uH
CAP_FG
1 CAP_FG
2 CAP_VCO
W808
3 VCC
R1003
CAP_F/R
4 CAP/M/F/R
3.3K 1/4W CAP_LIMIT
5 I_LIMIT
6 GND[M]
7 GND
8 LD/CY_VCO
CONTROL_IN
9 CAP_CTL
W809
LDM_CTL
10 LDM_CTL
5
11 CYL_FG/PG
CYL_DRIVE
12 CYL_CTL
R1009
10K
D1003
CYL_PG
1SS133
D1004 D1005
CYL_FG
1SS133 1SS133 R1010
10K 1/4W
LED_VCC
4
5.0
5.1
EOT SENSOR
D1001
BOT SENSOR
Q1006
LNA2702L010R
Q1008
0 PNA2604M010R
0 PNA2604M010R
0
CENT SW
Q1007
5.0
KRC103SRTK
0
CENT_LED
(LED_GND)
3
12
R1006
1.2
2.4
47K 1/4W
2 1
3 4
0
5.2
2
1
A B
G-3
C D
SYSTEM CONTROL/SERVO SCHEMATIC DIAGRAM
2
3 1
R1029
X1001_1
10K
1002T01003
R1033
11
1M
NC NC
0 2.4 2.3 0 5.0
80 79 78 77 76 75 74 73 72 71 70
0
NC
5.0
REM_IN
0
CAP_FG
CFG
5.0
TV/VCR
VCR-H(TV/VCR)
NC SEG 9/JUST_CLK
81 POWER ON L
NC SEG 10/ACTIVE_ON-L
82 REM IN
5.0
REEL-T
REEL-T
5.0
NC
REEL-S
14 4.2
POWER_FAIL
POWER FAIL-H
0
AT SLOW
4.9
NC SP-L
5.0
EP-L
NC
5.0
AUDIO OUT MUTE L
NC 99 SEG 6
R1058 2.2K 0.3
SEG 1/RV/CATV 100 SEG 7
R1062 2.2K
SEG 2/LAG_SEL
5.0
NC SEG 3/INDEX_ON/OFF
EOT
0.7
BOT NC SEG 4
0.1
NC SEG 5
5.0
NC
0
NC
1 2 3 4 5 6 7 8 9 10 11
0 5.1 0 5.0 5.0 5.0 5.0 5.0 0 0.1 4.3
NC
GND
REEL-T
PG ADJ
VR1001
10K
MS_SEN A
Q1005
SG-233S
5.0
1.4 0.6 5.0
2 3 2 3
MS_SEN B
Q1004
SG-233S
1 4 1 4
0.6 1.6
0.4 1.3
C D
E
(SYSCON PCB)
10
L1001
15uH
NC
NC
0 0 5.0 5.0 5.0 5.0 5.0 0 5.0 3.2 4.3 3.2 2.4 3.4
69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
3.3
0
R1072
2.8
2.7
AFC LPF
R1030
3.3
CHR BIAS
50 D OSC IN
3.5 R1053
49 VSS(OS) CV OUT
1.3
48 AFC OSC
V.REF
3.5
CV IN
5.2
Vcc(OSD)
5.2
TIMER SYSCON SERVO CONTROLLER IC
VCC(SV)
IC1001
5.0
OEC0117A
CFG
4.5
DPG
4.5 C1015 220P CH
DFG
32 CTL-H(-)
2.6
31 CTL-H(+) CTL AMP
2.6 R1054
CTL BIAS
220
2.6
CTL AMP(-)
2.6
CTL GAIN SW
R1055
0
VSS(SV)
R1015 560
2.6
2.6
R1073_1
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
0 4.7 5.0 5.0 0 0 5.0 5.0 0 5.0 5.0 5.0 4.8 0 0 0
1K 1/4W
R1074_1
1K 1/4W
6 R1039
CYL_DRIVE
5.6K
R1038
CONTROL_IN
NC
10K 1/4W
R1049
NC NC
4.7K 5 4
NC NC
OUT IN GND
1 2 3
5.0 5.0 0
R1051
18K
E
F G
W869 FROM/TO Y/C/AUDIO/CCD/HEAD AMP
NC
W868
NC
C1016
0.1 F
R1065
10K
2.7K 10K
4.7K
VIDEO_OUT
C1029
C1022 6.3V 22 KA
R1061
25V 4.7 KA
C1006 470K
FROM/TO OPERATION
7
R1022
0.1 F
CAP_FG
W829 1K 1/4W
CYL_PG
W828
CYL_FG
9
8
C1038
C1020
6.3V 47 KA
6.3V 22
KA
R1048
47K 180K
RECORD COLOR SIGNAL
R1017
C1013
RECORD LUMINANCE SIGNAL
560 0.001 B
PLAYBACK COLOR SIGNAL
R1014
PLAYBACK LUMINANCE SIGNAL
6.8K
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
CAUTION: SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ATTENTION: LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
4FSC
IIC_CLK
IIC_DATA
Y/C_CS
DUMMY_V.SYNC
V.REC_ST-H
C.ROTARY
AUDIO_MUTE-H
OSD_V
CTL-
CTL+
H.AMP_SW
5
COMP
ENV.DET
H.SW
C.SYNC
REM_IN
KEY-B
KEY-A
1G/TV/VCR_LED
4
2G/T-REC_LED
3G/REC_LED
3
ARE
2
ETANT
1
PCB010
VMA248
H
G-4